Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.43
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -3.18 -0.375 1.19
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 3.05
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 1.23 1.117 1.37
Calving Sub Index -2.64
Gestation Length (days) 2.87 -0.919 -2.64
Beef Sub Index -4.12
Carcass Weight (kg) 11.20 -0.528 -5.91
Age of Slaughter (days) -4.14 -0.432 1.79
Maintenance Sub Index Maint. Sub Index -4.48
Live WT (kg) 14.60 -0.307 -4.48
Total Carbon Sub Index -3.75

* Based on an €80/tonne carbon price